Cannot find this McCartney. I did find Charles McCartney enlisted 26 Oct 1876 age 18 born circa 1858 Lanark [b.Carluke Lanark birth record] 60 brigade/857 to 90th Regt, to S Africa 11 jan 1878 to India 19 Oct 1879, discharged Hamilton 24 Oct 1888 12 yrs. Married Margaret Trench at Lanark 18 April [?].
1891 Census address New Monkland Airdrie 6 kids a Coal Miner, 1901 census address same but 6 kids are different. Only death i can find is 1937 in Glasgow but i have doubts on this.